11-8 824 Reference Manual 11/2/00
FFT Check Menu
Pressing the Check
c
key while in the “FFT” display puts
you in the check menu shown below:
The check menu offers the following options:
• Store Snapshot - Stores the current FFT spectrum at that
moment in time.
The THD as calculated in the 824
satisfies all of the requirements for
ANSI S3.6.
• THD - Activates the THD display which shows the cal-
culated THD.
• Settings - Activates the FFT settings menu.
• Graph - Adjusts the vertical graph scale and offset (See
824 Reference Manual)
-
Graph Level
- Allows numerical entry of graph
level in dB.
-
Graph Scale
- Allows numerical entry of graph
scale
THD (Total Harmonic Distortion)
The THD display shows the results of the THD calculations.
To Next Page
Loading...
